To solve this example are needed these knowledge from mathematics:

Next similar examples:

The percentages in practice If every tenth apple on the tree is rotten it can be expressed by percentages: 10% of the apples on the tree is rotten. Tell percent using the following information: a. in June rained 6 days b, increase worker pay 500 euros to 50 euros c, grabbed 21 fro

Goods To the market is introducing a new product, the first week is sold at a reduced price. 8 products is sell at an entry price same as 5 products at the normal price. How much % is reduced price less than the current price for this product?

Seeds 2 How many seeds germinated from 1000 pcs, when 23% no emergence?

Sales off Goods is worth € 70 and the price of goods fell two weeks in a row by 10%. How many % decreased overall?

Class In a class are 32 pupils. Of these are 8 boys. What percentage of girls are in the class?